Amphibians and Reptiles of Texas with Keys, Taxonomic Synopses, Bibliography, and Distribution Maps

Morafka, David J.; Dixon, James R.

doi:10.2307/1445897

Copeia

1988

DOI: 10.2307/1445897

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Amphibians and Reptiles of Texas with Keys, Taxonomic Synopses, Bibliography, and Distribution Maps

David J. Morafka¹,

James R. Dixon²

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2023

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Cited by 9 publications

(118 citation statements)

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“…

T exas, USA, harbors a rich amphibian fauna, including 44 anuran species and 27 caudate species from a total of 15 families (Tipton et al 2012;Dixon 2013). This diversity can likely be attributed to the large size of the state (67,805,143 ha) and the variety of habitats it contains.

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confidence: 99%

“…The rapid and ongoing publication of county records since Raun and Gehlbach (1972) prompted publication of revised distribution maps. Dr. James Dixon assumed this responsibility with his synthesis "Amphibians and Reptiles of Texas" which provided up-todate county-delineated distribution maps, dichotomous keys, taxonomic synopses, and an extensive bibliography (Dixon 1987). This detailed book was twice revised by Dixon over the course of 26 years (Dixon 2000(Dixon , 2013; the distribution maps in the most recent synthesis (Dixon 2013) reveal gaps for many reptile and amphibian species.…”

mentioning

confidence: 99%

“…Dr. James Dixon assumed this responsibility with his synthesis "Amphibians and Reptiles of Texas" which provided up-todate county-delineated distribution maps, dichotomous keys, taxonomic synopses, and an extensive bibliography (Dixon 1987). This detailed book was twice revised by Dixon over the course of 26 years (Dixon 2000(Dixon , 2013; the distribution maps in the most recent synthesis (Dixon 2013) reveal gaps for many reptile and amphibian species. Unsurprisingly, a large number of amphibian county records have been published since Dixon (2013).…”

mentioning

confidence: 99%

“…This detailed book was twice revised by Dixon over the course of 26 years (Dixon 2000(Dixon , 2013; the distribution maps in the most recent synthesis (Dixon 2013) reveal gaps for many reptile and amphibian species. Unsurprisingly, a large number of amphibian county records have been published since Dixon (2013). Many such records are published individually (e.g., Rash and Davis 2020) but several papers have been published that each report a large number of records at once (e.g., Fielder et al 2020;Pandelis et al 2022).…”

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confidence: 99%

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Updated geographic distributions for Texas amphibians

Bassett

2023

RandA

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T exas, USA, harbors a rich amphibian fauna, including 44 anuran species and 27 caudate species from a total of 15 families (Tipton et al. 2012;Dixon 2013). This diversity can likely be attributed to the large size of the state (67,805,143 ha) and the variety of habitats it contains. Elevation and average annual precipitation differ dramatically across Texas, ranging from 0-2,667 m and 113-1,597 mm, respectively (Ghebreyesus and Sharif 2021). As a result, myriad habitat types occur throughout the state such as coniferous forests, deciduous forests, shrublands, plains, and desert. Aquatic habitats are likewise variable and include large reservoirs, rivers, creeks, ponds, swamps, aquifers, and springs -all of which harbor amphibians.Globally, amphibian populations are severely declining (Stuart et al. 2004) and extant populations are often impacted by multiple pressures including habitat loss (Gallant et al. 2007), fungal pathogens (Lips 2016; Stegen et al. 2017), climate change (Menéndez-Guerrero and Graham 2013), chemical pollution (Davidson et al. 2002; Zocche et al. 2013), and the introduction of non-native predators (Kats and Ferrer 2003). Texas contains several imperiled amphibian taxa including four federally endangered species, four federally threatened species, and an additional nine species that are not listed at the federal level, but are designated as either threatened or endangered by the Texas Parks and Wildlife Department. Federally endangered species include the Austin Blind Salamander (Eurycea waterlooensis), the Barton Springs Salamander (Eurycea sosorum), the Texas Blind Salamander (Eurycea rathbuni), and the Houston Toad (Anaxyrus houstonensis). Federally threatened species include the Georgetown Salamander (Eurycea naufragia), the Jollyville Plateau Salamander (Eurycea tonkawae), the Salado Salamander (Eurycea chisholmensis), and the San Marcos Salamander (Eurycea nana).Distributional data for amphibian species can be useful for informing research, management, and conservation. For example, presence-only data can be used to develop habitat suitability models (Préau et al. 2018), historical distribution records allow for quantitative measures of range contraction

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confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Updated geographic distributions for Texas amphibians

Bassett

2023

RandA

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“…After watching the larvae feed on the carcass for about one minute, we captured one of the larvae and collected a small tail clip for genetic identification (stored in 95% ethanol), then released it. Although we suspected that the observed larvae were R. sphenocephala, we felt that genetic identification was warranted given the difficulty associated with identifying anuran larvae in Texas based on morphological characters alone (Dixon 2013).…”

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Evidence of facultative scavenging by Southern Leopard Frog (Rana sphenocephala) larvae

Bassett

Villamizar-Gomez

Forstner

2023

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Detection, occupancy, and abundance of the alligator snapping turtle in Texas

et al. 2023

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The alligator snapping turtle (Macrochelys temminckii) is a long‐lived species that is widely distributed across the southeastern United States. Both these characteristics make monitoring its occupancy and abundance particularly challenging. In 2020 and 2021, we conducted hoop trap surveys at 51 permanent water bodies across the Texas, USA, range of the species to estimate occupancy and average abundance with site occupancy models and multinomial N‐mixture models, respectively. We confirmed the species to be present at 61% of surveyed locations. Mean detection probability was 0.77, and was influenced methodologically by the spacing of traps, and environmentally by lunar phase and water flow velocity. Mean occupancy probability was 0.82, and mean estimated abundance was 7.57 turtles/site. Our data provided evidence that the species has a higher occurrence probability in waters of highly forested catchments, and is most probable to occur in highest abundances at median latitudes within its Texas range. Despite known microhabitat preferences of the species, instream habitat characteristics (e.g., canopy coverage, depth, sinuosity) did not strongly influence its occupancy or abundance. Spatial dynamics of the occupancy and abundance of the species in Texas are influenced by landscape features more than local habitat. These results further corroborate the importance of watershed land cover to aquatic organisms, and our methods provide a standardized template for monitoring and quantifying important demographic parameters of the species across multiple locations while accounting for imperfect detection.

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Amphibians and Reptiles of Texas with Keys, Taxonomic Synopses, Bibliography, and Distribution Maps

Cited by 9 publications

References 0 publications

Updated geographic distributions for Texas amphibians

Updated geographic distributions for Texas amphibians

Evidence of facultative scavenging by Southern Leopard Frog (Rana sphenocephala) larvae

Detection, occupancy, and abundance of the alligator snapping turtle in Texas

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